GB2057423B - Process for the production of extremely pure amorphous glass powders - Google Patents

Process for the production of extremely pure amorphous glass powders

Info

Publication number
GB2057423B
GB2057423B GB8028087A GB8028087A GB2057423B GB 2057423 B GB2057423 B GB 2057423B GB 8028087 A GB8028087 A GB 8028087A GB 8028087 A GB8028087 A GB 8028087A GB 2057423 B GB2057423 B GB 2057423B
Authority
GB
United Kingdom
Prior art keywords
production
amorphous glass
glass powders
pure amorphous
extremely pure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8028087A
Other languages
English (en)
Other versions
GB2057423A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB2057423A publication Critical patent/GB2057423A/en
Application granted granted Critical
Publication of GB2057423B publication Critical patent/GB2057423B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/453—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating passing the reaction gases through burners or torches, e.g. atmospheric pressure CVD
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/401—Oxides containing silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
GB8028087A 1979-08-31 1980-08-29 Process for the production of extremely pure amorphous glass powders Expired GB2057423B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792935347 DE2935347A1 (de) 1979-08-31 1979-08-31 Verfahren zur herstellung von glas fuer glasfaserlichtwellenleiter geringer daempfung

Publications (2)

Publication Number Publication Date
GB2057423A GB2057423A (en) 1981-04-01
GB2057423B true GB2057423B (en) 1983-02-02

Family

ID=6079789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8028087A Expired GB2057423B (en) 1979-08-31 1980-08-29 Process for the production of extremely pure amorphous glass powders

Country Status (5)

Country Link
US (1) US4295870A (fr)
JP (1) JPS5637244A (fr)
DE (1) DE2935347A1 (fr)
FR (1) FR2464237A1 (fr)
GB (1) GB2057423B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504230A1 (fr) * 1981-04-21 1982-10-22 Lignes Telegraph Telephon Dispositif d'etancheite tournant et dispositif de fabrication de fibres optiques comportant un tel dispositif d'etancheite
US4682994A (en) * 1985-12-16 1987-07-28 Polaroid Corporation Process and apparatus for forming optical fiber preform
US5246734A (en) * 1986-05-05 1993-09-21 Dow Corning Corporation Amorphous silicon hermetic coatings for optical wave guides
US5030217A (en) * 1988-04-14 1991-07-09 Heraeus Lasersonics, Inc. Medical laser probe and method of delivering CO2 radiation
US4911712A (en) * 1988-04-14 1990-03-27 Heraeus Lasersonics, Inc. Medical laser probe
US5063179A (en) * 1990-03-02 1991-11-05 Cabot Corporation Process for making non-porous micron-sized high purity silica
US5205851A (en) * 1990-10-12 1993-04-27 Sumitomo Electric Industries, Ltd. Method and apparatus for producing optical fiber coupler
EP0765845A1 (fr) * 1995-08-31 1997-04-02 Litespec, Inc. Procédé de filtration des impuretés d'une vapeur pendant la fabrication de préformes pour fibres optiques
FR2776997B1 (fr) * 1998-04-06 2000-05-12 Alsthom Cge Alcatel Dispositif de fabrication d'une preforme de fibre optique comprenant une bague pour pieger et diffuser un rayonnement lumineux
FI116567B (fi) * 2003-09-29 2005-12-30 Liekki Oy Menetelmä sekä järjestelmä seostetun lasimateriaalin lähtöaineiden kaasuvirtauksen muodostamiseksi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806570A (en) * 1972-03-30 1974-04-23 Corning Glass Works Method for producing high quality fused silica

Also Published As

Publication number Publication date
GB2057423A (en) 1981-04-01
DE2935347A1 (de) 1981-03-26
FR2464237A1 (fr) 1981-03-06
US4295870A (en) 1981-10-20
JPS5637244A (en) 1981-04-10
FR2464237B1 (fr) 1984-02-24
JPS6121176B2 (fr) 1986-05-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee